116661

Appears in sequences

• a(n) = n*(n+1)*(n^2 + 21*n + 50)/24.at n=35A101854
• 1-sequence of reduction of (3n-1) by x^2 -> x+1.at n=16A192310
• List of words over {1,6} with equal numbers of 1's and 6's.at n=11A214524